Calcium CA
| Method(s) | Spectrophotometry |
|---|---|
| Specimen Required | |
| Collect | One 5 mL gold (SST) top tube. Also acceptable: Lithium heparin plasma. |
| Transport | 1 mL serum at 2-8ºC. |
| Remarks | Separate serum or plasma from cells within 2 hours. |
| Stability | Ambient: 8 hours; Refrigerated: 2 days; Frozen: 6 months |
| Unacceptable Conditions | Hemolyzed specimens. |
| Schedule | Daily-24 hours per day |
| Billing Code | 1010020 |
| CPTCode | 82310 |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
8.3 - 10.6 mg/dL |
|
